• Pipeline issue on return from FIQ
    Note: This was originally posted on 17th August 2009 at http://forums.arm.com I'm using an ARM9 (Cirrus EP9302). My FIQ interrupt handler returns using "subs pc, lr, #4" instruction. The way the handler...
  • how to return from FIQ ISR in assembly?
    I am writing an assembly FIQ ISR using GCC complier. I want to change return address in FIQ ISR so that after ISR, it returns to the requested address. the reason for doing that is because i am writing...
  • FIQ Problem
    Hi every one, it was many day that I try to execute an FIQ Subroutine, but I couldn't, Finally I Found The Way. every one who want to use FIQ routine in LPC23xx should follow this instruction as...
  • FIQ
    I am a real novice programming ARM7. I have a LPC2138 evaluation board and I use the environment uVision4. I tried to write a programm in C to handle an interrupt FIQ. To do this I followed the example...
  • having problem using fiq
    Hello, I'm using MCB2300 with LPC2368 chip. i am using this micro-controller for the first time, so m facing some difficulties. I'm trying to implement the following code by using fiq timer0 interrupt...